GB2090412B - Ultrasonic testing - Google Patents

Ultrasonic testing

Info

Publication number
GB2090412B
GB2090412B GB8202543A GB8202543A GB2090412B GB 2090412 B GB2090412 B GB 2090412B GB 8202543 A GB8202543 A GB 8202543A GB 8202543 A GB8202543 A GB 8202543A GB 2090412 B GB2090412 B GB 2090412B
Authority
GB
United Kingdom
Prior art keywords
ultrasonic testing
ultrasonic
testing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8202543A
Other versions
GB2090412A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Krautkraemer GmbH and Co
Krautkraemer GmbH
Original Assignee
Krautkraemer GmbH and Co
Krautkraemer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE2945200A external-priority patent/DE2945200C2/en
Priority claimed from DE2945201A external-priority patent/DE2945201C2/en
Priority claimed from DE2945202A external-priority patent/DE2945202C2/en
Application filed by Krautkraemer GmbH and Co, Krautkraemer GmbH filed Critical Krautkraemer GmbH and Co
Publication of GB2090412A publication Critical patent/GB2090412A/en
Application granted granted Critical
Publication of GB2090412B publication Critical patent/GB2090412B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
    • G01N29/0627—Cathode-ray tube displays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52004—Means for monitoring or calibrating
GB8202543A 1979-11-09 1980-10-21 Ultrasonic testing Expired GB2090412B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2945200A DE2945200C2 (en) 1979-11-09 1979-11-09 Method and circuit device for generating sawtooth pulses and the use of such circuit devices in ultrasonic measuring devices
DE2945201A DE2945201C2 (en) 1979-11-09 1979-11-09 Circuit device for generating a signal expectation area on the screen of a cathode ray tube of a portable ultrasonic testing device for non-destructive testing of materials
DE2945202A DE2945202C2 (en) 1979-11-09 1979-11-09 Portable ultrasonic testing device for non-destructive testing of materials

Publications (2)

Publication Number Publication Date
GB2090412A GB2090412A (en) 1982-07-07
GB2090412B true GB2090412B (en) 1984-07-18

Family

ID=27188282

Family Applications (3)

Application Number Title Priority Date Filing Date
GB8033957A Expired GB2062383B (en) 1979-11-09 1980-10-21 Ultrasonic testing
GB8202543A Expired GB2090412B (en) 1979-11-09 1980-10-21 Ultrasonic testing
GB8202544A Expired GB2090413B (en) 1979-11-09 1980-10-21 Ultrasonic testing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8033957A Expired GB2062383B (en) 1979-11-09 1980-10-21 Ultrasonic testing

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8202544A Expired GB2090413B (en) 1979-11-09 1980-10-21 Ultrasonic testing

Country Status (3)

Country Link
DK (1) DK474580A (en)
FR (2) FR2469834A1 (en)
GB (3) GB2062383B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3139570C2 (en) * 1981-10-05 1983-09-29 Krautkrämer GmbH, 5000 Köln Method and circuit device for determining and displaying maximum values of the ultrasonic signals reflected by reflectors in a test piece
US4503401A (en) * 1982-08-04 1985-03-05 Allied Corporation Wideband phase locked loop tracking oscillator for radio altimeter
GB2130450A (en) * 1982-11-09 1984-05-31 Del Norte Technology Delay control circuit
US4581585A (en) * 1983-02-07 1986-04-08 Tektronix, Inc. Apparatus and method for automatically calibrating a sweep waveform generator
DE10247257A1 (en) * 2002-10-10 2004-04-22 Agfa Ndt Gmbh Ultrasonic testing device for non-destructive testing of workpiece e.g. point welded joint between automobile body components, with bar display for real-time signal value obtained from echo signal sequence

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603981A (en) * 1969-10-10 1971-09-07 Atomic Energy Commission Digitally controlled ramp generator
DE2163971C3 (en) * 1971-12-22 1979-07-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit for digital frequency setting of an oscillator
DE2164175C3 (en) * 1971-12-23 1978-03-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit for digital frequency setting of an oscillator located in a control loop
DE2620590C3 (en) * 1976-05-10 1981-11-12 Krautkrämer, GmbH, 5000 Köln Procedure for setting orifices during the automated test piece thickness measurement and / or non-destructive material testing with ultrasound
DE2641501C3 (en) * 1976-09-15 1986-03-27 Siemens AG, 1000 Berlin und 8000 München Tunable oscillator with high frequency accuracy and constancy
US4064742A (en) * 1977-01-31 1977-12-27 Krautkramer-Branson, Incorporated Ultrasonic inspection device
JPS53101880A (en) * 1977-02-18 1978-09-05 Tokyo Shibaura Electric Co Ultrasonic diagnosing device

Also Published As

Publication number Publication date
GB2090413B (en) 1984-07-18
FR2477342A1 (en) 1981-09-04
FR2477342B1 (en) 1986-06-06
GB2062383A (en) 1981-05-20
GB2062383B (en) 1984-06-20
FR2469834B1 (en) 1984-12-28
DK474580A (en) 1981-05-10
FR2469834A1 (en) 1981-05-22
GB2090413A (en) 1982-07-07
GB2090412A (en) 1982-07-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee